Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4MC callsign genealogy
Currently held by CUMMINGS, MARVIN A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AB4MC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB4MC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4MC, oldest first.
- FLANAGAN, BEN J TN1998-08-17 → cancelled 2010-08-18
- CUMMINGS, MARVIN A KY2013-09-04 → cancelled 2025-09-05